lake tahoe. heading out of the bay area, monday looks okay before that rain comes in, and then monday in los angeles is sunny, but you'll get some rain in chicago. overnight lows tonight, as you see them here, it's going to get chilly again, and it'll especially get cold overnight by tuesday and wednesday. we'll pinpoint it with numbers mostly in the upper 60s today, 63 in san francisco, 71, though, in san jose. presidents' day looks fair and cool. extended forecast, expect to get wet on tuesday, and then the latter half of the week turns cool and unsettled. for wednesday, thursday and friday, no rain in the forecast yet, but stay tuned on that. we'll have an update in the next half hour. first let's get back to ann. >> thank you, brian. well, the college days, do you remember those all-night study sessions and that all-you- can-eat buffet inside the dining hall. today we are looking at healthy patterns for first-year college students. we start with the so-called freshman 15. you've probably heard of it. jennifer lombardi with the disordering eating clinic joins us now. thanks for joining us. >> thanks for having me.